Block the pass
拦关───block the pass
caller that attempted to pass a task to a pool thread would find the pool empty, and its thread would block while it waited for an available pool thread.───试图向池线程传递任务的调用者都会发现池为空,在调用者等待一个可用的池线程时,它的线程将阻塞。
When I pass the code block created by passing my target number as a parameter, Scala curries up a new function.───当我传递代码块(将目标数字作为参数传递)时,Scala创建了一个新的函数。
The only rule for defining a filter is that it must let events of the desired kind pass and block all others.───定义筛选器的唯一规则在于,它必须允许所需类型的事件通过并阻止所有其他事件。